Having a issue with your motor vehicle is traditional, because sadly recent automobiles are more and more complex and consequently subject to more and more possible breakdowns. In this article we’re going to try to help you to fix an injection problem on your Mazda CX 9 . This is a issue that is specially bothersome because it can ultimately bring your vehicle to non starting or broken engine unit. To get this done, first we will discover how injection works, then, what are the different concerns that can exist on a Mazda CX 9 injectors , and at last, how to fix them.

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What is the goal of the injection of a Mazda CX 9?

So we start our content page by quickly explaining how an injection system works so that you have all the information you need to discover the failures affiliated with it. < br>
The injection system of a Mazda CX 9 handles the fuel intake into the engine unit , it replaces the old carburettors. It has the benefit to be a lot more precise and to come, under pressure, to release the fuel in the engine unit. The injection pump takes care of pressurizing the fuel and transferring it to the injectors, and the injectors will release the fuel in the form of micro-drops into the cylinders of your Mazda CX 9. The benefit of fuel injection is to have a much more precise dosage than a carburettor and to allow a better air/fuel mixture and consequently a better combustion.

What are the different injection problems on Mazda CX 9?

Now in this second part, we are going to discover the different injection problems and their signs of illness that you may possibly come across on your Mazda CX 9 .

Injection pump problems Mazda CX 9

To start, we will discover the injection pump problems on your Mazda CX 9, there are not many of them, they are quite often persistent but we will outline them below:

  • Electronic issue of the high pressure pump: If you have an electronic issue, the pressure in your injection system might be too high or too low which will bring about a bad air/fuel mixture and consequently a bad combustion and thus alter the behavior of the engine unit of your Mazda CX 9.
  • Leakage from the injection pump of your Mazda CX 9: If you have a major leakage problem, the consequence will be much the same as if you have a lack of pressure, you will not have enough pressure and consequently the combustion of your fuel will not be good

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Concerning the results and signs of illness of a fuel pump issue on a Mazda CX 9 , you will certainly feel, a lack of power, your engine unit grazing, dark smoke emissions…

Injectors problems Mazda CX 9

Now we proceed to the injector problems on Mazda CX 9 . Injectors are the end of your injection system, here are the different problems you may possibly encounter:

  • Dirty Mazda CX 9 injectors: This can happen due to poor fuel quality, they will let less fuel through or more if they are totally clogged. So you will potentially have one or more cylinders that are not functioning properly.
  • Leaky Mazda CX 9 injector: It’s quite often at the high pressure seals that an injector can leak, it can also, more rarely, be cracked or broken.
  • Injector Mazda CX 9 HS: This is the circumstance when your injectors are totally clogged or when you have an electronic problem, it will not let anything go.

Regarding the symptoms of injector problems on your Mazda CX 9 it is about the same as for a faulty injection pump. You may possibly encounter problems with starting, throttle response, power loss, and smoke emission.

How to solve an injection issue on a Mazda CX 9?

To end our article content on the injection problems on Mazda CX 9 , we will try to give you the solutions that exist to fix these problems.
If after a precise analysis it’s your injection pump that is the source of your problems, it will sadly be very complicated to intervene on the problem without replacing the part, this change quite often goes with the replacement of the injectors, and in some cases the tank, it will take between 2000 and 3000 euros for the whole, try to get some diagnostics and estimates before starting any repair.
Concerning a issue with an injector there are various solutions based on your concerns, here they are:

  • Dirty injector: You can clean the injectors of your Mazda CX 9, do not hesitate to seek advice from our content page on this subject to get the process. If it doesn’t work, you will have to change them.
  • Leaky injector: The replace and the purchase of a joint kit will only cost you a few tens of euros, but you still need to be able to replace it, do not hesitate to seek advice from our content page on the injectors that leak on Mazda CX 9, to have all the solutions available to you.
  • Injector HS: Finally, last remedy, your injector is damaged or doesn’t work anymore, generally, the replacement of an injector costs around 500 euros labor included.

If you wish more guides on the Mazda CX 9, go to our Mazda CX 9 category.